#!/usr/bin/env python
# -*- coding:utf-8 -*-

# file:do_exam1.py
# author:王雯雯
# datetime:2024-12-8
# software: PyCharm




# CREATE TABLE employees (
#     id INT PRIMARY KEY,
#     name VARCHAR(50),
#     age INT,
#     department VARCHAR(50)
# )
# INSERT INTO employees (id, name, age, department)
# VALUES (1, 'John Doe', 30, 'Sales');
# SELECT * FROM employees;
# UPDATE employees
# SET age = 31
# WHERE id = 1;
